//
//  MainTabBar.swift
//  新浪微博
//
//  Created by guizugulong on 16/1/30.
//  Copyright © 2016年 guizugulong. All rights reserved.
//

import UIKit

class MainTabBar: UITabBar {

    override func layoutSubviews() {
        super.layoutSubviews()
        let w = self.bounds.width / 5
        let h = self.bounds.height
        let rect = CGRect(x: 0, y: 0, width: w, height: h)
        
        var index: CGFloat = 0
        
        for subview in subviews {
            
            if subview.isKindOfClass(NSClassFromString("UITabBarButton")!) {
                
                subview.frame = CGRectOffset(rect, w * index, 0)
                index += (index == 1 ? 2 : 1)
            }
         
            
        }
        
        plusBtn.frame = CGRectOffset(rect, 2 * w, 0)
        
    }
    
    
    lazy var plusBtn: UIButton = {
        let btn = UIButton()
        
        btn.setBackgroundImage(UIImage(named: "tabbar_compose_button"), forState: .Normal)
        btn.setBackgroundImage(UIImage(named: "tabbar_compose_button_highlighted"), forState: .Highlighted)
        
        btn.setImage(UIImage(named: "tabbar_compose_icon_add"), forState: .Normal)
        btn.setImage(UIImage(named: "tabbar_compose_icon_add_highlighted"), forState: .Highlighted)
        self.addSubview(btn)
        return btn
        
        
    }()
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    /*
    // Only override drawRect: if you perform custom drawing.
    // An empty implementation adversely affects performance during animation.
    override func drawRect(rect: CGRect) {
        // Drawing code
    }
    */

}
